The site was created by security expert Troy Hunt to make it easy for users check if their email address has been included in any email and password dumps. One of its latest tools give you the the ability to check if the passwords you’ve used in the past have been leaked.

Go to the Pwned Passwords section and enter your old passwords to see if they have ever appeared in a data breach. As Hunt points out, you definitely don’t want to use this site for any passwords you are currently using.

Have I Been Pwned was created by someone who is well-known in security circles and has built a reputable name for himself. So while using his site is likely safe, if other sites offer a similar service, you should be skeptical of password harvesting. Always think twice about putting your email or password into any sort of database search.

If you want to hear more from Troy Hunt about his website, you can listen to Episode 91 of the Gimlet Media podcast Reply All in which he helps the team as they try to unravel the mystery of how one New Yorker’s Uber account was being used in Russia.

Did you find any of your old passwords on Have I Been Pwned? What do you do online to protect yourself from online breaches? Let us know in the comments.

Nancy is a writer and editor living in Washington DC. She was previously the Middle East editor at The Next Web and currently works at a DC-based think tank on communications and social media outreach.